Rationalize numerator.
A. 
B. 
C. 
D. 
Answer: A
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Solve the problem.The resistance R produced by wiring resistors of R1, R2, and R3 ohms in parallel can be calculated from the formula 
If R1, R2, and R3 are measured to be 7 ohms, 10 ohms, and 6 ohms respectively, and if these measurements are accurate to within 0.05 ohms, estimate the maximum possible error in computing R.
A. 0.017 B. 0.010 C. 0.014 D. 0.021
Solve the problem.The shape and density of a thin shell are indicated below. Find the coordinates of the center of mass.Shell: cylinder x2 + z2 = 49 bounded by y = 0 and y = 10Density: constant
A. 
B. 
C. 
D. 
Solve the problem.Find an equation of the circle that passes through the points (4, 6), (-6, 2), and (1, -3).
A. 
2 + 
2 = 
B. 
2 + 
2 = 
C. 
2 + 
2 = 
D. 
2 + 
2 = 
Find the length of the curve.x = t3, y = 2t2, 0 ? t ? 1
A. 
B. 
C. 
D. 